Characteristics：
1. Stainless steel or cold rolling steel inner chamber treated by anti-corrosion technology ensures the longevity of the product.
2. Micro-compute single chip temperature controller with function of timing and over-temperature protection.
3. High-brightness digital tube display; visual and precise value indication with outstanding performance; light touch key for parameters setting.
4. Tightness of door is adjustable; tempered glass anti-bullet door with high permissibility; silicon rubber seal provides a high vacuum degree and keep longer time.
5. Optional air inflating port for insert gas replenishing.